Hint of colour (5)
I believe the answer is:
tinge
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hint of colour</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tinge that I've seen before include "Hint of colour" , "A slight shade of colour" , "Small quantity of (differing) colour" , "A colourful" , "A suspicion" .)